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Article ID: 937653 - Last Review: January 15, 2015 - Revision: 2.4

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After the daylight saving time (DST) period for New Zealand changes in 2007, you experience one or more of the following issues in a mail environment that uses Microsoft Exchange Server 2003:
  • The Microsoft Office Outlook 2003 client incorrectly translates times from other time zones to the affected time zone.
  • The Outlook 2003 client incorrectly translates times from the affected time zone to other time zones.
  • The Microsoft Office Outlook Web Access client incorrectly calculates the end time of a meeting.
  • Lotus Notes incorrectly calculates the end time of a meeting.
  • When Exchange Server 2003 users receive a meeting request from Notes users, the Notes connector takes the time zone of the server that is running Exchange Server 2003 as the time zone of the Notes sender. However, the time zone of the Notes sender is shown incorrectly.


Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: (
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


This hotfix requires Microsoft Exchange Server 2003 Service Pack 2 to be installed on the server.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
836993   ( ) How to obtain the latest service packs for Exchange Server 2003

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Collapse this tableExpand this table
File nameFile versionFile sizeDateTime


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


The New Zealand government has announced that the DST period has changed for 2007. The dates are changed as follows.
Collapse this tableExpand this table
DST2007 Previous years
Start date and timeLast Sunday in September, 2:00 A.M.First Sunday in October, 2:00 A.M.
End date and timeFirst Sunday in April, 3:00 A.M.Third Sunday in March, 3:00 A.M.

  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Exchange Server 2003 Enterprise Edition
kbnosurvey kbarchive kbautohotfix kbexpertiseinter kbhotfixserver kbqfe KB937653
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